/**
 * HttpServer.java is created by Zachariah at 2011-7-15 下午05:17:55
 */
package ex01.pyrmont;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;

/**
 * @author zachariah zzcfrog@gmail.com
 * 
 */
public class HttpServer {

	/**
	 * WEB_ROOT is the directory where our HTML and other files reside. For this package, WEB_ROOT is the "webroot" directory under the working directory. The working directory is the location in the
	 * file system from where the java command was invoked.
	 */

	public static final String WEB_ROOT = System.getProperty("user.dir") + File.separator + "webroot";
	// shutdown command
	private static final String SHUTDOWN_COMMAND = "/SHUTDOWN";
	// the shutdown command received
	private boolean shutdown = false;

	public void await() {
		ServerSocket serverSocket = null;
		int port = 8080;

		// 建立serversocket
		try {
			InetAddress inetAddress =  InetAddress.getLocalHost();
			serverSocket = new ServerSocket(port, 1,inetAddress);
		} catch (IOException e) {
			e.printStackTrace();
			System.exit(1);
		}

		// 开始监听
		while (!shutdown) {
			Socket socket = null;
			InputStream input = null;
			OutputStream output = null;

			try {
				socket = serverSocket.accept();
				input = socket.getInputStream();
				output = socket.getOutputStream();

				// 创建Request对象
				Request request = new Request(input);
				request.parse();

				// 创建Response对象
				Response response = new Response(output);
				response.setRequest(request);
				response.sendStaticResource();
				shutdown = request.getUri().equals(SHUTDOWN_COMMAND);
				// 关闭socket
				socket.close();
			} catch (Exception e) {
				e.printStackTrace();
				continue;
			}
		}
	}

	public static void main(String args[]) {
		HttpServer server = new HttpServer();
		server.await();
	}

}
